#include <stdio.h>
int main() {
	int a;
	scanf("%d", &a);
	if (a < 0 && a % 2 != 0)
		printf("%d is a negative odd", a);
	else if (a < 0 && a % 2 == 0)
		printf("%d is a negative even", a);
	else if (a > 0 && a % 2 !=0 )
		printf("%d is a positive odd", a);
	else if (a > 0 && a % 2 == 0)
		printf("%d is a positive even", a);
	else if (a == 0)
		printf("0 is zero");

	return 0;

}